pogo pin application on the phone

　　Mobile phone connectors are important electronic components in mobile phones. Their quality is directly related to the quality of the mobile phone and the reliability of its use. The pogo pin is a precision connector used in mobile phones and other electronic products. It is widely used in semiconductor equipment to connect.

　　Pogo pin consists of three parts: the needle Plunger is plated with brass, the needle tube is plated with brass, and the spring stainless steel test pin is a probe used to test PCBA. The surface is gold-plated, and there is a high-performance spring with an average life span of 30,000 to 100,000 times inside.

　　The more famous manufacturers abroad are: QA, IDI, UC, Semiprobe, ECT, INGUN, probe material: W, ReW, CU, A+

　　1. The main materials used are W, ReW, normal elasticity, easy to shift, sticking to gold chips, need multiple cleaning, long wear and tear, and average life.

　　2. The need for cleaning needles made of A+ material has good elasticity, does not easily shift during the test, does not stick to gold chips, and does not require cleaning, so it has a long life.

　　Electrical properties The main electrical properties of the connector include contact resistance, insulation resistance and dielectric strength.

　　① Contact resistance High-quality electrical connectors should have low and stable contact resistance. The contact resistance of the connector ranges from a few milliohms to tens of milliohms.

　　② Insulation resistance is a measure of the insulation performance between the contacts of electrical connectors and between the contacts and the shell. Its magnitude ranges from hundreds of megaohms to several thousand megaohms.

　　③ Dielectric strength, or withstand voltage, dielectric withstand voltage, is the ability to withstand the rated test voltage between the connector contacts or between the contacts and the shell.

　　④ Other electrical properties.

　　Electromagnetic interference leakage attenuation is to evaluate the electromagnetic interference shielding effect of the connector, and the electromagnetic interference leakage attenuation is to evaluate the electromagnetic interference shielding effect of the connector, and it is generally tested in the frequency range of 100MHz~10GHz.

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